VSQRTSS (XMM, XMM, XMM)

Operands

• Operand 1 (w): Register (XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7, XMM8, XMM9, XMM10, XMM11, XMM12, XMM13, XMM14, XMM15)
• Operand 2 (r): Register (XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7, XMM8, XMM9, XMM10, XMM11, XMM12, XMM13, XMM14, XMM15)
• Operand 3 (r): Register (XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7, XMM8, XMM9, XMM10, XMM11, XMM12, XMM13, XMM14, XMM15)

Available performance data

• Alder Lake-P
• Alder Lake-E
• Rocket Lake
• Tiger Lake
• Ice Lake
• Cascade Lake
• Cannon Lake
• Skylake-X
• Coffee Lake
• Kaby Lake
• Skylake
• Broadwell
• Haswell
• Ivy Bridge
• Sandy Bridge
• AMD Zen 4
• AMD Zen 3
• AMD Zen 2
• AMD Zen+

Alder Lake-P

• Measurements
• Latencies
  • Latency operand 2 → 1: ≤12
  • Latency operand 3 → 1: ≤12
• Throughput
  • Computed from the port usage: 1.00
  • Measured (loop): 3.00
  • Measured (unrolled): 3.00
• Number of μops
  • Executed: 1
  • Retire slots: 1
  • Decoded (MITE): 1
  • Microcode Sequencer (MS): 0
• Port usage: 1*p0

Alder Lake-E

• Measurements
• Latencies
  • Latency operand 2 → 1: ≤11
  • Latency operand 3 → 1: ≤11
• Throughput
  • Measured (loop): 6.00
  • Measured (unrolled): 6.00
• Number of μops
  • Executed: 1
  • Microcode Sequencer (MS): 0

Rocket Lake

• Measurements
• Latencies
  • Latency operand 2 → 1: ≤12
  • Latency operand 3 → 1: ≤12
• Throughput
  • Computed from the port usage: 1.00
  • Measured (loop): 3.00
  • Measured (unrolled): 3.00
• Number of μops
  • Executed: 1
  • Retire slots: 1
  • Decoded (MITE): 1
  • Microcode Sequencer (MS): 0
• Port usage: 1*p0

Tiger Lake

• Measurements
• Latencies
  • Latency operand 2 → 1: ≤12
  • Latency operand 3 → 1: ≤12
• Throughput
  • Computed from the port usage: 1.00
  • Measured (loop): 3.00
  • Measured (unrolled): 3.00
• Number of μops
  • Executed: 1
  • Retire slots: 1
  • Decoded (MITE): 1
  • Microcode Sequencer (MS): 0
• Port usage: 1*p0

Ice Lake

• Measurements
• Latencies
  • Latency operand 2 → 1: ≤12
  • Latency operand 3 → 1: ≤12
• Throughput
  • Computed from the port usage: 1.00
  • Measured (loop): 3.00
  • Measured (unrolled): 3.00
• Number of μops
  • Executed: 1
  • Retire slots: 1
  • Decoded (MITE): 1
  • Microcode Sequencer (MS): 0
• Port usage: 1*p0
• Documentation
• Latency: 12.0
• Throughput: 3.0

Cascade Lake

• Measurements
• Latencies
  • Latency operand 2 → 1: ≤12
  • Latency operand 3 → 1: ≤12
• Throughput
  • Computed from the port usage: 1.00
  • Measured (loop): 3.00
  • Measured (unrolled): 3.00
• Number of μops
  • Executed: 1
  • Retire slots: 1
  • Decoded (MITE): 1
  • Microcode Sequencer (MS): 0
• Port usage: 1*p0

Cannon Lake

• Measurements
• Latencies
  • Latency operand 2 → 1: ≤12
  • Latency operand 3 → 1: ≤12
• Throughput
  • Computed from the port usage: 1.00
  • Measured (loop): 3.00
  • Measured (unrolled): 3.00
• Number of μops
  • Executed: 1
  • Retire slots: 1
  • Decoded (MITE): 1
  • Microcode Sequencer (MS): 0
• Port usage: 1*p0

Skylake-X

• Measurements
• Latencies
  • Latency operand 2 → 1: ≤12
  • Latency operand 3 → 1: ≤12
• Throughput
  • Computed from the port usage: 1.00
  • Measured (loop): 3.00
  • Measured (unrolled): 3.00
• Number of μops
  • Executed: 1
  • Retire slots: 1
  • Decoded (MITE): 1
  • Microcode Sequencer (MS): 0
• Port usage: 1*p0
• IACA 2.3
• Throughput
  • Computed from the port usage: 1.00
  • IACA: 3.00
• Number of μops: 1
• Port usage: 1*p0
• IACA 3.0
• Throughput
  • Computed from the port usage: 1.00
  • IACA: 2.96
• Number of μops: 1
• Port usage: 1*p0

Coffee Lake

• Measurements
• Latencies
  • Latency operand 2 → 1: ≤12
  • Latency operand 3 → 1: ≤12
• Throughput
  • Computed from the port usage: 1.00
  • Measured (loop): 3.00
  • Measured (unrolled): 3.00
• Number of μops
  • Executed: 1
  • Retire slots: 1
  • Decoded (MITE): 1
  • Microcode Sequencer (MS): 0
• Port usage: 1*p0

Kaby Lake

• Measurements
• Latencies
  • Latency operand 2 → 1: ≤12
  • Latency operand 3 → 1: ≤12
• Throughput
  • Computed from the port usage: 1.00
  • Measured (loop): 3.00
  • Measured (unrolled): 3.00
• Number of μops
  • Executed: 1
  • Retire slots: 1
  • Decoded (MITE): 1
  • Microcode Sequencer (MS): 0
• Port usage: 1*p0

Skylake

• Measurements
• Latencies
  • Latency operand 2 → 1: ≤12
  • Latency operand 3 → 1: ≤12
• Throughput
  • Computed from the port usage: 1.00
  • Measured (loop): 3.00
  • Measured (unrolled): 3.00
• Number of μops
  • Executed: 1
  • Retire slots: 1
  • Decoded (MITE): 1
  • Microcode Sequencer (MS): 0
• Port usage: 1*p0
• IACA 2.3
• Throughput
  • Computed from the port usage: 1.00
  • IACA: 3.00
• Number of μops: 1
• Port usage: 1*p0
• IACA 3.0
• Throughput
  • Computed from the port usage: 1.00
  • IACA: 2.96
• Number of μops: 1
• Port usage: 1*p0

Broadwell

• Measurements
• Latencies
  • Latency operand 2 → 1: ≤10
  • Latency operand 3 → 1: ≤10
• Throughput
  • Computed from the port usage: 1.00
  • Measured (loop): 4.00
  • Measured (unrolled): 4.00
• Number of μops
  • Executed: 1
  • Retire slots: 1
  • Decoded (MITE): 1
  • Microcode Sequencer (MS): 0
• Port usage: 1*p0
• IACA 2.2
• Throughput
  • Computed from the port usage: 1.00
  • IACA: 7.00 (with the -no_interiteration flag: 7.00)
• Number of μops: 1
• Port usage: 1*p0
• IACA 2.3
• Throughput
  • Computed from the port usage: 1.00
  • IACA: 7.00
• Number of μops: 1
• Port usage: 1*p0
• IACA 3.0
• Throughput
  • Computed from the port usage: 1.00
  • IACA: 6.89
• Number of μops: 1
• Port usage: 1*p0

Haswell

• Measurements
• Latencies
  • Latency operand 2 → 1: ≤10
  • Latency operand 3 → 1: ≤10
• Throughput
  • Computed from the port usage: 1.00
  • Measured (loop): 7.03
  • Measured (unrolled): 7.03
• Number of μops
  • Executed: 1
  • Retire slots: 1
  • Decoded (MITE): 1
  • Microcode Sequencer (MS): 0
• Port usage: 1*p0
• IACA 2.1
• Latency: 13
• Throughput
  • Computed from the port usage: 1.00
  • IACA: 7.00 (with the -no_interiteration flag: 7.00)
• Number of μops: 1
• Port usage: 1*p0
• IACA 2.2
• Throughput
  • Computed from the port usage: 1.00
  • IACA: 7.00 (with the -no_interiteration flag: 7.00)
• Number of μops: 1
• Port usage: 1*p0
• IACA 2.3
• Throughput
  • Computed from the port usage: 1.00
  • IACA: 7.00
• Number of μops: 1
• Port usage: 1*p0
• IACA 3.0
• Throughput
  • Computed from the port usage: 1.00
  • IACA: 6.90
• Number of μops: 1
• Port usage: 1*p0

Ivy Bridge

• Measurements
• Latencies
  • Latency operand 2 → 1: ≤10
  • Latency operand 3 → 1: ≤10
• Throughput
  • Computed from the port usage: 1.00
  • Measured (loop): 7.00
  • Measured (unrolled): 7.00
• Number of μops
  • Executed: 1
  • Retire slots: 1
  • Decoded (MITE): 1
  • Microcode Sequencer (MS): 0
• Port usage: 1*p0
• IACA 2.1
• Latency: 13
• Throughput
  • Computed from the port usage: 1.00
  • IACA: 7.00 (with the -no_interiteration flag: 7.00)
• Number of μops: 1
• Port usage: 1*p0
• IACA 2.2
• Throughput
  • Computed from the port usage: 1.00
  • IACA: 7.00 (with the -no_interiteration flag: 7.00)
• Number of μops: 1
• Port usage: 1*p0
• IACA 2.3
• Throughput
  • Computed from the port usage: 1.00
  • IACA: 7.00
• Number of μops: 1
• Port usage: 1*p0

Sandy Bridge

• Measurements
• Latencies
  • Latency operand 2 → 1: ≤10
  • Latency operand 3 → 1: ≤10
• Throughput
  • Computed from the port usage: 1.00
  • Measured (loop): 10.00
  • Measured (unrolled): 10.00
• Number of μops
  • Executed: 1
  • Retire slots: 1
  • Decoded (MITE): 1
  • Microcode Sequencer (MS): 0
• Port usage: 1*p0
• IACA 2.1
• Latency: 14
• Throughput
  • Computed from the port usage: 1.00
  • IACA: 14.00 (with the -no_interiteration flag: 14.00)
• Number of μops: 1
• Port usage: 1*p0
• IACA 2.2
• Throughput
  • Computed from the port usage: 1.00
  • IACA: 14.00 (with the -no_interiteration flag: 14.00)
• Number of μops: 1
• Port usage: 1*p0
• IACA 2.3
• Throughput
  • Computed from the port usage: 1.00
  • IACA: 14.00
• Number of μops: 1
• Port usage: 1*p0

AMD Zen 4

• Measurements
• Latencies
  • Latency operand 2 → 1: ≤15
  • Latency operand 3 → 1: ≤15
• Throughput
  • Computed from the port usage: 0.50
  • Measured (loop): 5.00
  • Measured (unrolled): 5.00
• Number of μops
  • Executed: 1
• Port usage: 1*FP01

AMD Zen 3

• Measurements
• Latencies
  • Latency operand 2 → 1: ≤14
  • Latency operand 3 → 1: ≤14
• Throughput
  • Computed from the port usage: 0.50
  • Measured (loop): 5.00
  • Measured (unrolled): 5.00
• Number of μops
  • Executed: 1
• Port usage: 1*FP01
• Documentation
• Latency: 14
• Throughput: 7.00
• Number of μops: 1
• Port usage: FP3

AMD Zen 2

• Measurements
• Latencies
  • Latency operand 2 → 1: ≤14
  • Latency operand 3 → 1: ≤14
• Throughput
  • Computed from the port usage: 1.00
  • Measured (loop): 5.50
  • Measured (unrolled): 5.50
• Number of μops
  • Executed: 1
• Port usage: 1*FP3
• Documentation
• Latency: 14
• Throughput: 7.00
• Number of μops: 1
• Port usage: FP3

AMD Zen+

• Measurements
• Latencies
  • Latency operand 2 → 1: ≤8
  • Latency operand 3 → 1: ≤8
• Throughput
  • Computed from the port usage: 1.00
  • Measured (loop): 4.00
  • Measured (unrolled): 4.00
• Number of μops
  • Executed: 1
• Port usage: 1*FP3
• Documentation
• Latency: 14
• Throughput: 5.00
• Number of μops: 1
• Port usage: FP3